284 AGRICULTURAL EXPERIMENT STATION. [Jan. 



5. Analyses^ etc. — Continued. 



Cotton-seed-hull Ashes. 



[I., sent on from Sunderland, Mass.; II. and III., sent on from Nortli Hadley, 



Mass.l 



Sample II. and in particular Sample III. are of an excep- 

 tional inferior quality. Cotton-seed-hull ashes and cotton- 

 seed meal sold for manurial purposes ought to l)e l)ought on a 

 guaranteed composition. Both articles are liable to a serious 

 fluctuation in composition. All articles sold for manurial 

 purposes, at ten dollars or more per ton, are subject to out- 

 laws for the regulation of the trade in commercial fertilizers. 



Cotton-hull Ashes. 



[I., sent on from North Hadley, Mass.; II., sent on from Feeding Hills, Mass.; 

 III., sent on from Sunderland, Mass.*] 



II. 



Moisture at 100° C, . 



Calcium oxide, 



Magnesium oxide, 



Ferric and aluminic oxides, 



Potassium oxide, . 



Phosphoric acid, . 



Insoluble matter (before calcination), 



Insoluble matter (after calcination) , . 



11.79 



8.37 

 10.27 



1.50 

 26.26 

 12.06 

 15.37 

 11.94 



6.30 

 13.94 



2.85 



2.49 



26.98 



8.40 



13.23 



11.19 



III. 



4.41 



4.91 



5.57 



4.35 



16.63 



7.21 



47.47 



40.02 



* Cotton-hull and wood ashes mixed. 



